PMID: 6399345Jan 1, 1984Paper

Magnesium and potassium in diabetes and carbohydrate metabolism. Review of the present status and recent results

Magnesium
J Durlach, P Collery

Abstract

Diabetes mellitus is the most common pathological state in which secondary magnesium deficiency occurs. Magnesium metabolism abnormalities vary according to the multiple clinical forms of diabetes: plasma magnesium is more often decreased than red blood cell magnesium. Plasma Mg levels are correlated mainly with the severity of the diabetic state, glucose disposal and endogenous insulin secretion. Various mechanisms are involved in the induction of Mg depletion in diabetes mellitus, i.e. insulin and epinephrine secretion, modifications of the vitamin D metabolism, decrease of blood P, vitamin B6 and taurine levels, increase of vitamin B5, C and glutathione turnover, treatment with high levels of insulin and biguanides. K depletion in diabetes mellitus is well known. Some of its mechanisms are concomitant to those of Mg depletion. But their hierarchic importance is not the same: i.e., insulin hyposecretion is more important versus K+ than versus Mg2+. Insulin increases the cellular inflow of K+ more than that of Mg2+ because there is more free K+ (87%) than Mg2+ (30%) in the cell. The consequences of the double Mg-K depletion are either antagonistic: i.e. versus insulin secretion (increased by K+, decreased by Mg2+) or agonistic...Continue Reading

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